// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "ui/message_center/message_center.h"

#include "base/observer_list.h"
#include "ui/message_center/message_center_impl.h"

namespace message_center {

//------------------------------------------------------------------------------

namespace {
    static MessageCenter* g_message_center = NULL;
}

// static
void MessageCenter::Initialize()
{
    DCHECK(g_message_center == NULL);
    g_message_center = new MessageCenterImpl();
}

// static
MessageCenter* MessageCenter::Get()
{
    DCHECK(g_message_center);
    return g_message_center;
}

// static
void MessageCenter::Shutdown()
{
    DCHECK(g_message_center);
    delete g_message_center;
    g_message_center = NULL;
}

MessageCenter::MessageCenter()
{
}

MessageCenter::~MessageCenter()
{
}

} // namespace message_center
